Could this be bad front sway bar links?

Okay, so I have a 2001 Ford Escape (xlt, v6). The noise sounds like it is coming from the front right tire on the passenger side, but I'm not 100% sure. It does it sometimes, and has been doing it now for about 3 weeks. Just off and on and as we get driving down the road it'll start. To me, it sounds like a rubbing/scraping sound, but to my mom, it sounds like a knocking/bumping. She thinks maybe a bolt's come off the tire or we need a new hubcap? Something like that. Before taking it to a tire place, we were just curious to see if we could get any ideas of what it might be before we spend a bunch of money or get ripped off by them telling us we need all this and that when really we might not. It only does it sometimes in the videos, at the parts I've listed, so you don't have to watch the entire thing. And that is my camera doing the flashing noise-Idk why it's doing that (SORRY).
! Make sure volume is up loud so you can hear!

1st video (1:04, 1:54, 2:01,4:51, 5:02, and 1:39 are where you can hear the noise; 1:39 is best)
http://s1205.photobucket.com/user/pretty…

2nd video (1:52-1:54)
http://s1205.photobucket.com/user/pretty…

3rd video (2:48-2:49)
http://s1205.photobucket.com/user/pretty…

*****just wanted to say to the people who don't feel like looking through all of that, 1:39 on the first video is pretty loud and probably the best quality. Like I said it does it just off and on driving.

Can't get the links to work. But, crank the steering wheel all the way to the right next time you park. Then get down there & you can see the sway bar end link - Grab it & see if it's loose… Also, they do snap-off sometimes, so watch for shape edges…

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